LocationAddress: Mackay, Idaho 83251GPS: 43.743445, -113.941425View on MapLocal Directions: From Mackay: Take US Highway 93 16 miles north of Mackay to the Trail Creek Road. Turn left on Trail Creek Road. Follow this road 18 miles to the Copper Basin Road. Turn left on the Copper Basin Road. Follow this road 13 miles to the Copper Basin Loop Road. Turn right on the Copper Basin Loop Road. Follow this road 9 miles to the Starhope Campground. From Sun Valley/Ketchum: Take Highway 75 (Main Street) to Sun Valley Road. Turn northeast onto Sun Valley Road. This road turns into the Trail Creek Road (closed in winter). Follow this road to the Copper Basin Road. Turn right onto the Copper Basin Road. Follow this road 13 miles to the Copper Basin Loop Road. Turn right on the Copper Basin Loop Road. Follow this road 9 miles to the Starhope C